CVE-2013-2239 Information disclosure in n/a
Local attackers can read sensitive kernel stack memory via crafted ioctl or system calls in OpenVZ kernels, exposing confidential data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-2239?
CVE-2013-2239 is a medium-severity vulnerability in n/a, published on 12 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
vzkernel before 042stab080.2 in the OpenVZ modification for the Linux kernel 2.6.32 does not initialize certain length variables, which allows local users to obtain sensitive information from kernel stack memory via (1) a crafted ploop driver ioctl call, related to the ploop_getdevice_ioc function in drivers/block/ploop/dev.c, or (2) a crafted quotactl system call, related to the compat_quotactl function in fs/quota/quota.c.
Weakness: CWE-264
Which versions are affected by CVE-2013-2239?
It affects 1 product.
Products include Openvz Vzkernel.
How do I fix CVE-2013-2239?
Upgrade to a fixed version.
Is CVE-2013-2239 being exploited?
There is no known exploitation of CVE-2013-2239 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-46pj-qvxv-8vwg.